You need a John Deere dealer Joe. I took a copy of the following sheet into the mower place on the way home and they said it would be there the next day from the nearest agricultural store.
https://jdparts.deere.com/partsmkt/...tiPurpose.htm#_Special-purpose_corn_headThis was an interesting read on its intended use:
On a corn head, which is an attachment used on a combine for the purpose of harvesting ear corn, there is a gearbox on each row. A 6 row corn head will have 6 of these gear boxes. The gear boxes have a set of bevel gears that turn a pair of counter rotating "snap rolls" that pull the stalk down and strip the corn cob off of the stalk. The designated lube for these gear boxes is corn head grease. Corn head grease is a semi-fluid grease, thick enough to pump, but will liquify at least to some degree when it gets warm.
As a point of reference as to the reliability of corn head grease in a roller. A gear box on a corn head has some pretty small gears in it, and they will run for hundreds of hours without fail on corn head grease. Dad bought out corn head new in 1979, and it is still running today on a neighbors farm. In the beginning, we ran Mobil synthetic gun grease, in later years, corn head grease. This header to this day has not had a gear box failure.
These guys should be able to get it:
John Deere Dealer‎
3319 N Main St, Cleburne, TX, United States‎ - (817) 641-7861‎
Lawn Land‎
714 Dallas Dr, Denton, TX, United States‎ - (940) 387-8377‎
Good luck.
